Koss "The Plug" Portable Headphones (colors vary)
- 16 to 23,000 Hz frequency response
- Deep bass performance
- 4-foot cord
Product Description
Koss The Plug is a stereo earbud for the discriminating listener. It delivers accurate acoustical reproduction and unbelievable isolation typically found in more expensive, closed-style stereophones. The Plug features a dynamic element that is positioned just outside the ear and connected to a tubular port structure that is inserted on a soft expandable cushion into the ear canal. The soft foam cushion expands for a custom fit to improve isolation and enhance deep bass and treble clarity.The Plug has special ear cushions made of hydrophilic, formed urethane, for a custom fit each and every time it is inserted into the listener's ear. The custom fit enhances isolation when you want to plug out ambient sounds that interfere with the listening experience. The Plug delivers the full sound of Koss. Combined with your favorite music and a portable sound system, it is the ultimate accessory on the go. A mute switch on the cord provides connection to the outside world without having to un-plug.
Amazon.com Product Description
Koss's miniature portable earphone, affectionately dubbed "The Plug," makes use of an ear-cushion material (similar to that used in sound-blocking earplugs) that slowly expands in your ear canal to provide a custom fit and maximum sonic isolation from external noises. A detachable, extrawide headband makes these Koss-termed "stereophones" easy to carry or store. For accurate sound reproduction, these earbud-style headphones are made with oxygen-free copper voice coils and neodymium iron boron magnets. You can enjoy them with either a portable or home audio device, since both 0.125-inch and 0.25-inch adapter jacks are included. "The Plug" weighs a mere quarter ounce and has a frequency response rated at an impressive 16 to 23,000 Hz (though its unlikely you'll hear bass output anywhere close to what you'd get from a similarly rated loudspeaker!). Impedance is 16 ohms, with less than a 0.3 percent distortion and reasonably high sensitivity of 112 dB SPL/1 mW.
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Koss "The Plug" Portable Headphones (colors vary)
- Electronics: 0 pages
- Publisher: Koss
- Label: Koss
- Studio: Koss
- Average Customer Review:
 based on 379 reviews
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Avg. Customer Review:
0 of 0 people found the following review helpful:
Customer Rating: 
Summary: quality review 2008-09-20
Comment: First off the product was not very expensive so i knew what i was paying for. The sound quality was just fine for what i am using them for, but they are not very comfortable. other than that i have no complaints.
0 of 0 people found the following review helpful:
Customer Rating:
Summary: This is my second pair and the left ear plug goes out. Beware! 2008-09-14
Comment: I have bought these before and had the left ear plug go out after 5 months. Koss has a lifetime replacement guarantee so i returned them and after 7 months with my new ones the same thing happened. For the price its not bad but be warned you get what you pay for.
0 of 0 people found the following review helpful:
Customer Rating:
Summary: Great introduction to in-ear monitors 2008-09-07
Comment: I've been using Koss headphones for decades and the Plug continues to deliver that traditional "Koss" sound. The Plug is an inexpensive way to try get into the "in-ear" monitor area of headphones. They are comfortable to wear and deliver killer bass along with great mids and highs. I bought these for my son because he won't use anything else, including a pair of $400 Shure monitors I offered him. Give 'em a try. For $10, you can't go wrong.
One complaint though. Koss products are almost impossible to buy in Canada. Sure would like to see them establish a retail presence here again.
0 of 0 people found the following review helpful:
Customer Rating: 
Summary: Very good headphones for the price 2008-08-29
Comment: I've bought these headphones recently and I'm very satisfied. As a drummer I needed some in-ear monitoring headphones and I got stuck with these. Very comfortable for my ears (soft cushions) and it dampens surroundings very much which is exactly what I wanted. The sound is good, not excellent but like I said, I use it only when I play. Highly recommended.
0 of 0 people found the following review helpful:
Customer Rating:
Summary: I love these little gems! 2008-08-11
Comment: These are great little headphones for the price. They're just like foam earplugs. There is a proper way to squish and insert earplugs, believe it or not. Most people just press a couple times without any thought and shove. You have to "roll" these between your fingertips really well, evenly, over and over. If you don't, they will expand too fast and you'll have trouble, especially when new. The more you use them, the better they get until the foam finally breaks down and you go to the replacement foam. I only use these when traveling and they knock down the noise down from planes, considerably. These are your best bet for the money. Ignore the reviewers that state that their double and triple priced headphone are better. DUH!!! What would you expect!!! If you buy a car for 10,000 don't expect 20,000 or 30,000 dollar features and performance. Someone actually compared these to 80 dollar Shure headphones!!! Also, any self-proclaimed, pretentious, audiophile that buys these for 10 bucks and expects audiophile performance is just being ridiculous. Come back to Earth, please. I have used these on all forms of media and have yet to be disappointed. They will definitely show the flaws in any recordings because the sound is isolated and aimed directly at your eardrum. This is one reason I would NEVER give it to a little kid. If you like to save space on your Ipod and go with a low quality setting, your mistake will be painfully obvious. It will also be painfully obvious when you listen to the some of the cheap/low quality recordings and incompetent audio engineers of late.
These will not fit everybody's ears on the entire planet!
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Koss "The Plug" Portable Headphones (colors vary)
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